頂緣 的英文怎麼說

中文拼音 [dǐngyuán]
頂緣 英文
apical margin
  • : i 名詞(人體或物體的最上部) crown; peak; top Ⅱ動詞1 (用頭支承) carry on the head 2 (從下面拱...
  • : Ⅰ名詞1 (緣故) reason 2 (緣分) predestined relationship 3 (邊) edge; fringe; brink Ⅱ動詞(攀...
  1. Characteristics : perennial pubescent herb ; leaves dimorphic, the radical with 3 - lobes, coarsely serrate at margin ; cymes terminal ; flowers yellow, to 2 cm diam., sepals 5, petals 5 or more ; fruit consisting of many aggregated achenes

    形態:多年生草本,被毛;葉兩形,基生葉3裂,粗鋸齒;聚傘花序生;花黃色,直徑可達2公分,花萼5片,花瓣5片或更多;頭狀聚合瘦果球形。
  2. Leaves leathery, elliptic - lanceolate or broadly oblanceolate, 4 - 13 cm long and 2 - 4 cm wide, apex acuminate to acute, base cuneate, margin revolute ; petioles 0. 7 - 1. 5 cm long, base slightly swollen

    葉革質,橢圓狀披針形或闊倒披針形,長4 - 13厘米,寬2 - 4厘米,端漸尖或急尖,基部楔形,邊背卷;葉柄長0 . 7 - 1 . 5厘米,基部稍腫大。
  3. Leaves papery, oval in outline, 6 - 7cm long and 8 - 11 cm wide, base rounded or subtruncate, trilobed or sometimes 5 - lobed ; lobes triangular - ovate, rarely ovate - oblong, apex acute or acuminate, margin serrulate, with appressed acute teeth, sometimes entire near base, glabrous or with tufted hairs at vein axils abaxially ; petiole 2 - 3 cm long, glabrous

    葉紙質,輪廓闊卵形,長6 - 7厘米,寬8 - 11厘米,基部圓或近截平, 3裂或有時5裂,裂片三角狀卵形,有時卵狀長圓形,端漸尖,邊有疏而銳利地鋸齒,有時近基部全,兩面無毛或下面脈腋有簇毛;葉柄長2 - 3厘米,無毛。
  4. Leaves tufted ; stipes 15 - 30 cm long, densely scaly at base, glabrous above ; sterile lamina about 60 cm long and 20 cm wide, simply pinnate ; pinnae numerous, alternate or subopposite, linear - lanceolate, the largest about 12 cm long and 1 cm wide, base cordate, apex acuminate, margin finely toothed ; veins close, forking once or twice and forming areoles near the midrib ; fertile lamina similar to sterile ones, but somewhat reduced, about 8 cm long and 0. 4 cm wide, lower surface almost entirely covered with sporangia

    葉簇生;葉柄長15 - 30厘米,基部密被鱗片,向上近光滑;不育葉片長約60厘米,寬20厘米,一回羽狀;羽片多數,互生或近對生,線狀披針形,最長者長達12厘米,寬約1厘米,端長漸尖,基部心形,邊有細密鋸齒;葉脈1 - 2次分叉,近中脈形成網眼;能育葉與不育葉相似,但較小,長約8厘米,寬約0 . 4厘米,下部滿布孢子囊。
  5. Leaves opposite, papery, ovate, suborbicular or elliptic, 4 - 8 cm long, apex rounded, base rounded to broadly cuneate, margin with regular and slightly sinuate teeth except base, covered with yellowish brown tufted appressed hairs ; petioles 0. 6 - 1. 5 cm long

    葉對生,紙質,圓卵形、近圓形或橢圓形,長4 - 8厘米,端圓形,基部圓形至寬楔形,邊除基部外具整齊而稍帶波狀的鋸齒,兩面被黃褐色簇狀短伏毛;葉柄長6 - 15毫米。
  6. But this time i found something at last ; i found an old rusty wood - saw without any handle ; it was laid in between a rafter and the clapboards of the roof

    不過這一回啊,我終于找到了一樣東西。我找到了一把生滿了銹的舊鋸子,連把子也沒有。是擱在一根子和屋板中間的。
  7. ( 4 ) the tubiform petal of p. suffruticosa andr. and paeonia lactiflora pall, is a special petal which only has been occurred in the highflower of pralification flower of the above two species. the petal is similar to corolla of some family of sympetalous dicotyledon in shape, however it has a more thin base and many different lobes in form and size

    ( 4 )在對臺閣花型的研究中新發現了一種特殊的花瓣一筒狀花瓣,它具有筒狀結構,外形類似於一些合瓣花類植物的花冠,但筒的基部更細,向上變粗,口部邊變化較大,具形狀和大小各異的裂片,有的呈喇叭形,有的呈鐘形,筒內壁上有時具一部游離的芒狀物。
  8. Emulsified asphalt adhesive for adhering roof insulation

    粘合屋用乳化瀝青粘合劑
  9. The hatched pointed huts streamed away towards the forest.

    茅屋逶迤漫延,直至森林邊
  10. It appeared, at first sight, to be a lightning conductor, mounted on an insulator going through the roof.

    一眼看去,它似乎是一根避雷針,安裝在穿過屋的絕體上。
  11. Abb will replace an existing outdoor 275 kilovolt ( kv ) substation now nearing the end of its service - life with an indoor substation based on compact, state - of - the - art, gas insulated switchgear ( gis )

    Abb將用基於體積較小的級的氣體絕接電開關裝置( gis )的室內變電站替換現有的服務年限將到的室外275千伏特的變電站。
  12. The thicket stretched down from the top of one of the sandy knolls, spreading and growing taller as it went, until it reached the margin of the broad, reedy fen, through which the nearest of the little rivers soaked its way into the anchorage

    這條灌木林帶從一個沙丘上延伸下來,愈往下樹長得就愈高,鋪開得也愈廣,一直到了一片開闊的長滿蘆葦的沼地邊,附近的一條小河就是從這里流向錨地的。
  13. The authoritative data for a zone is simply all of the rrs attached to all of the nodes from the top node of the zone down to leaf nodes or nodes above cuts around the bottom edge of the zone

    給區域的授權數據僅僅是附加到從區域下面到葉節點或者在分割底部區域邊上面的節點的節點的所有節點的rr 。
  14. I had a great high shapeless cap, made of a goat's skin, with a flap hanging down behind.

    我頭上戴著一山羊皮做的、不成樣子的、又高又大的便帽,腦后垂著一塊長長的帽
  15. Taking advantage of taper roller, this machine can massage and remove the crinkles through continuous vibration, pushing and pressing of the soles placed on the thermal sole marking

    經由加熱板之燙平作用,以及震蕩滾輪之敲擊,再配合鞋子的運轉,使得後跟之幫腳平整,且邊棱線非常顯著。
  16. A transcriptional fusion between 35s promoter and nearly full length hag1 cdna was constructed and transformation was performed through agrobacterium using root expantso the first whorl organs of transgenic plants flowers are carpel - like organs with stigmatic papilllae and a few ovules

    轉基因植株花的表型類似與ap2突變體,其第一輪花器官萼片具有心皮的特徵,端產生柱頭狀的乳突,邊有胚珠產生。
  17. Bt insulators and fittings for overhead lines. metal fittings. pole top cross arm

    架空線路用絕子和配件.金屬配件.桿橫向臂
  18. Insulators for pantographs for light rail vehicles and tramcars

    輕型有軌車輛和有軌電車的車導電弓架的絕
  19. Numerical investigation of the effects of different leading - edge profiles on vortical flows over a double - delta wing

    襟翼長度對三角翼前渦破裂的影響
  20. Test method for critical radiant flux of exposed attic floor insulation using a radiant heat energy source

    利用輻射熱能源測定暴露的樓地板絕臨界輻射通量的方法
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